ArticleJournal of experimental botany2018
Differential response to heat stress in outer and inner onion bulb scales.
Article in Journal of experimental botany, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
8 citing papers in PubMed, 23 citations in OpenAlex.
- Acetylcholinesterase immobilization on a natural thin membrane for stable biocatalyst design.Turkish journal of chemistry · 2026Article
- Article
- BPM Proteins Modulate Heat Stress Response inPlants (Basel, Switzerland) · 2025Article
- Single-cell transcriptomes reveal spatiotemporal heat stress response in maize roots.Nature communications · 2025Article
- Comparative transcriptome analyses revealed different heat stress responses in pigeonpea (Cajanus cajan) and its crop wild relatives.Plant cell reports · 2021Article
- Transcriptome and phytohormone changes associated with ethylene-induced onion bulb dormancy.Postharvest biology and technology · 2020Article
- Comparative transcriptome analyses in contrasting onion (Allium cepa L.) genotypes for drought stress.PloS one · 2020Article
- Omics approaches inPeerJ · 2020Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The formation of brown protective skin in onion bulbs can be induced by rapid post-harvest heat treatment. Onions that are peeled to different depths and are exposed to heat stress show that only the outer scales form the dry brown skin, whereas the inner scales maintain high water content and do not change color. Our study demonstrates that browning of the outer scale during heat treatment is due to an enzymatic process that is associated with high levels of oxidation components, such as peroxidase and quercetin glucoside. De novo transcriptome analysis revealed differential molecular responses of the outer and inner scales to heat stress. Genes involved in lipid metabolism, oxidation pathways, and cell-wall modification were highly expressed in the outer scale during heating. Defense response-related genes such as those encoding heat-shock proteins, antioxidative stress defense, or production of osmoprotectant metabolites were mostly induced in the inner scale in response to heat exposure. These transcriptomic data led to a conceptual model that suggests sequential processes for the development of browning and desiccation of the outer scale versus processes associated with defense response and heat tolerance in the inner scales.
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